added stuff about dealing with the certificate
diff --git a/doc/git-setup.txt b/doc/git-setup.txt
index 1e4b423..79e346c 100644
--- a/doc/git-setup.txt
+++ b/doc/git-setup.txt
@@ -12,7 +12,8 @@
 If you don't gave a login on the server, then cloning
   https://robotics.mvla.net/git/frc971/somebody/2013.git instead should work
   (with your SVN username and password). However, that form of URL is read-
-  only.
+  only. In order for this to work, you have to either set the environment
+  variable GIT_SSL_NO_VERIFY to 1 or set the git option http.sslverify to false.
 
 [Adding Other People's Repositories]
 `git remote add SOMEBODY \